数显内卡规型号............................测量范围/分辨率................测头尺寸..................测量深度SKS-35......................15-35X0.01mm...................3X3mm...................50mmSKS-55......................35-55X0.01mm...................3X6mm...................80mmSKS-75......................55-75X0.01mm...................3X8mm...................90mmSKS-95......................75-95X0.01mm..................3X8mm....................100mmSKS-115....................95-115X0.01mm................3X8mm....................120mm一、特点：1）主要用于工件孔径、内环形沟槽直径及台阶孔径及及偏差值的测量，是......通用量具无法替代的测量工具。2）公英制转换、任意处清零。二、供产品产地：a）日本b）中国各大量具厂三、售后承诺：1）计量不合格品退换！2）保修壹年